Earth's increasingly hot, wet climate has cut the amount of work people can do in the worst heat by about 10 percent in the past six decades, and that loss in labor capacity could double by mid-century, U.S. government scientists reported on Sunday.

Because warmer air can hold more moisture than cooler air, there's more absolute humidity in the atmosphere now than there used to be. And as anyone who has sweltered through a hot, muggy summer knows, it's more stressful to work through hot months when the humidity is high.
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A more extreme scenario of future global warming, which estimated a temperature rise of 10.8 degrees F (6 degrees C), would make it difficult to work in the hottest months in many parts of the world, Dunne said at a telephone briefing.

Labor capacity would be all but eliminated in the lower Mississippi Valley and most of the United States east of the Rocky Mountains would be exposed to heat stress "beyond anything experienced in the world today," he said.

3. I lived in Savannah, Georgia when I was a kid in the 60s

and the humidity was almost 100% (it's surrounded by swamps) and the summer heat was unbearable. I developed a problem with my lungs where I couldn't breathe in that humidity and several times I passed out. I don't see how anyone could function in that type of climate, especially doing anything physical. Now I live in southern California and we could use some rainfall as Feb.-Mar. is usually the rainy season and there's barely been a drop this year.

5. YES!!

I was born, raised & currently live in Georgia & YES I know the type of hot humid summer days you are talking about...It is horrible! You sweat but it does not evaporate & cool you down it just sits on you & makes you hotter not to mention pasty & wet all the time day & night!!

Just imagine what it will be like in 2050...2100?!?!?!

I hate to say this but my wife & I had the ability to have children stolen from us not even a year after we married. My wife was in an almost fatal car wreck then 5yrs after that my wife had just got back to work & I suffered a spinal cord injury that basically sealed deal on us having a family! We were upset but now we are actually pleased we don't have to worry about what their futures would be like & how badly they may have to suffer by the time they are 50yrs old if not before.

It really sucks because I have followed the issue of climate change since that day James Hanson introduced the world to the evidence for the Greenhouse Effect...EVERYTHING the scientist have been saying for decades is coming true. And if anyone tries to stress just how important this is then you are declared to be an "alarmist"...Bust even a chimp who has followed the SCIENCE knows we are literally committing suicide as a civilized technologically advanced human race. SAD!